Electronic keyboard musical instrument



FIG. 1 is a front, right side, top perspective view of an electronic keyboard musical instrument showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is an enlarged top plan view thereof rotated 90 degrees to the right;

FIG. 7 is an enlarged bottom plan view thereof rotated 90 degrees to the right;

FIG. 8 is another front elevational view thereof, showing an area to be enlarged in FIG. 9 indicated by line 9; and,

FIG. 9 is an enlarged partial view, taken at line 9 in FIG. 8. 

CLAIM The ornamental design for an electronic keyboard musical instrument, as shown and described. 